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processing/app/src/processing/app/contrib/ManagerTabs.java at master · dimr/processing · GitHub
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ManagerTabs.java
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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2015 The Processing Foundation
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package
processing
.
app
.
contrib
;
import
java
.
awt
.
CardLayout
;
import
java
.
awt
.
Color
;
import
java
.
awt
.
Component
;
import
java
.
awt
.
Dimension
;
import
java
.
awt
.
Font
;
import
java
.
awt
.
Graphics
;
import
java
.
awt
.
Graphics2D
;
import
java
.
awt
.
Image
;
import
java
.
awt
.
event
.
MouseAdapter
;
import
java
.
awt
.
event
.
MouseEvent
;
import
java
.
util
.
ArrayList
;
import
java
.
util
.
List
;
import
javax
.
swing
.*;
import
javax
.
swing
.
border
.
EmptyBorder
;
import
processing
.
app
.
Base
;
import
processing
.
app
.
Mode
;
import
processing
.
app
.
ui
.
Toolkit
;
/**
* Console/error/whatever tabs at the bottom of the editor window.
*/
public
class
ManagerTabs
extends
Box
{
// height of this tab bar
static
final
int
HIGH
=
Toolkit
.
zoom
(
34
);
// amount of space around the entire window
static
final
int
BORDER
=
Toolkit
.
zoom
(
8
);
static
final
int
CURVE_RADIUS
=
Toolkit
.
zoom
(
6
);
static
final
int
TAB_TOP
=
Toolkit
.
zoom
(
0
);
static
final
int
TAB_BOTTOM
=
HIGH
-
Toolkit
.
zoom
(
2
);
// amount of extra space between individual tabs
static
final
int
TAB_BETWEEN
=
Toolkit
.
zoom
(
2
);
// amount of margin on the left/right for the text on the tab
static
final
int
MARGIN
=
Toolkit
.
zoom
(
14
);
static
final
int
ICON_WIDTH
=
Toolkit
.
zoom
(
16
);
static
final
int
ICON_HEIGHT
=
Toolkit
.
zoom
(
16
);
static
final
int
ICON_TOP
=
Toolkit
.
zoom
(
7
);
static
final
int
ICON_MARGIN
=
Toolkit
.
zoom
(
7
);
static
final
int
UNSELECTED
=
0
;
static
final
int
SELECTED
=
1
;
Color
[]
textColor
=
new
Color
[
2
];
Color
[]
tabColor
=
new
Color
[
2
];
List
<
Tab
>
tabList
=
new
ArrayList
<>();
Mode
mode
;
Font
font
;
int
fontAscent
;
Image
offscreen
;
int
sizeW
,
sizeH
;
int
imageW
,
imageH
;
Image
gradient
;
JPanel
cardPanel
;
CardLayout
cardLayout
;
Controller
controller
;
Component
currentPanel
;
public
ManagerTabs
(
Base
base
) {
super
(
BoxLayout
.
Y_AXIS
);
// A mode shouldn't actually override these, they're coming from theme.txt.
// But use the default (Java) mode settings just in case.
mode
=
base
.
getDefaultMode
();
textColor
[
SELECTED
] =
mode
.
getColor
(
"manager.tab.text.selected.color"
);
textColor
[
UNSELECTED
] =
mode
.
getColor
(
"manager.tab.text.unselected.color"
);
font
=
mode
.
getFont
(
"manager.tab.text.font"
);
tabColor
[
SELECTED
] =
mode
.
getColor
(
"manager.tab.selected.color"
);
tabColor
[
UNSELECTED
] =
mode
.
getColor
(
"manager.tab.unselected.color"
);
gradient
=
mode
.
makeGradient
(
"manager.tab"
,
Toolkit
.
zoom
(
400
),
HIGH
);
setBorder
(
new
EmptyBorder
(
BORDER
,
BORDER
,
BORDER
,
BORDER
));
controller
=
new
Controller
();
add
(
controller
);
cardLayout
=
new
CardLayout
();
cardPanel
=
new
JPanel
(
cardLayout
);
add
(
cardPanel
);
}
/** Add a panel with no icon. */
public
void
addPanel
(
Component
comp
,
String
name
) {
addPanel
(
comp
,
name
,
null
);
}
/**
* Add a panel with a name and icon.
* @param comp Component that will be shown when this tab is selected
* @param name Title to appear on the tab itself
* @param icon Prefix of the file name for the icon
*/
public
void
addPanel
(
Component
comp
,
String
name
,
String
icon
) {
if
(
tabList
.
isEmpty
()) {
currentPanel
=
comp
;
}
tabList
.
add
(
new
Tab
(
comp
,
name
,
icon
));
cardPanel
.
add
(
name
,
comp
);
}
// public void setPanel(int index) {
// cardLayout.show(cardPanel, tabs.get(index).name);
// }
public
void
setPanel
(
Component
comp
) {
for
(
Tab
tab
:
tabList
) {
if
(
tab
.
comp
==
comp
) {
currentPanel
=
comp
;
cardLayout
.
show
(
cardPanel
,
tab
.
name
);
repaint
();
}
}
}
public
Component
getPanel
() {
return
currentPanel
;
}
public
void
setNotification
(
Component
comp
,
boolean
note
) {
for
(
Tab
tab
:
tabList
) {
if
(
tab
.
comp
==
comp
) {
tab
.
notification
=
note
;
repaint
();
}
}
}
// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
class
Controller
extends
JComponent
{
Controller
() {
addMouseListener
(
new
MouseAdapter
() {
public
void
mousePressed
(
MouseEvent
e
) {
int
x
=
e
.
getX
();
for
(
Tab
tab
:
tabList
) {
if
(
tab
.
contains
(
x
)) {
//cardLayout.show(cardPanel, tab.name);
setPanel
(
tab
.
comp
);
repaint
();
}
}
}
});
}
public
void
paintComponent
(
Graphics
screen
) {
if
(
screen
==
null
)
return
;
Dimension
size
=
getSize
();
if
((
size
.
width
!=
sizeW
) || (
size
.
height
!=
sizeH
)) {
// component has been resized
if
((
size
.
width
>
imageW
) || (
size
.
height
>
imageH
)) {
// nix the image and recreate, it's too small
offscreen
=
null
;
}
else
{
// if the image is larger than necessary, no need to change
sizeW
=
size
.
width
;
sizeH
=
size
.
height
;
}
}
if
(
offscreen
==
null
) {
sizeW
=
size
.
width
;
sizeH
=
size
.
height
;
imageW
=
sizeW
;
imageH
=
sizeH
;
offscreen
=
Toolkit
.
offscreenGraphics
(
this
,
imageW
,
imageH
);
}
Graphics
g
=
offscreen
.
getGraphics
();
g
.
setFont
(
font
);
// need to set this each time through
if
(
fontAscent
==
0
) {
fontAscent
= (
int
)
Toolkit
.
getAscent
(
g
);
}
Graphics2D
g2
=
Toolkit
.
prepareGraphics
(
g
);
g
.
drawImage
(
gradient
,
0
,
0
,
imageW
,
imageH
,
this
);
g
.
setColor
(
tabColor
[
SELECTED
]);
// draw the two pixel line that extends left/right below the tabs
// can't be done with lines, b/c retina leaves tiny hairlines
g
.
fillRect
(
0
,
TAB_BOTTOM
,
imageW
,
Toolkit
.
zoom
(
2
));
// reset all tab positions
for
(
Tab
tab
:
tabList
) {
tab
.
textWidth
= (
int
)
font
.
getStringBounds
(
tab
.
name
,
g2
.
getFontRenderContext
()).
getWidth
();
}
placeTabs
(
0
);
// now actually draw the tabs
drawTabs
(
g2
);
screen
.
drawImage
(
offscreen
,
0
,
0
,
imageW
,
imageH
,
null
);
}
/**
* @param left starting position from the left
* @param g graphics context, or null if we're not drawing
*/
private
void
placeTabs
(
int
left
) {
//, Graphics2D g) {
int
x
=
left
;
for
(
Tab
tab
:
tabList
) {
tab
.
left
=
x
;
x
+=
MARGIN
;
if
(
tab
.
hasIcon
()) {
x
+=
ICON_WIDTH
+
MARGIN
;
}
x
+=
tab
.
textWidth
+
MARGIN
;
tab
.
right
=
x
;
// // if drawing and not just placing
// if (g != null) {
// tab.draw(g);
// }
x
+=
TAB_BETWEEN
;
}
// Align the final tab (the "updates") to the right-hand side
Tab
lastTab
=
tabList
.
get
(
tabList
.
size
() -
1
);
int
offset
=
getWidth
() -
lastTab
.
right
;
lastTab
.
left
+=
offset
;
lastTab
.
right
+=
offset
;
}
private
void
drawTabs
(
Graphics2D
g
) {
for
(
Tab
tab
:
tabList
) {
tab
.
draw
(
g
);
}
}
public
Dimension
getPreferredSize
() {
return
new
Dimension
(
300
,
HIGH
);
}
public
Dimension
getMinimumSize
() {
return
getPreferredSize
();
}
public
Dimension
getMaximumSize
() {
return
new
Dimension
(
super
.
getMaximumSize
().
width
,
HIGH
);
}
}
// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
class
Tab
{
String
name
;
Component
comp
;
boolean
notification
;
Image
enabledIcon
;
Image
selectedIcon
;
int
left
;
int
right
;
int
textWidth
;
Tab
(
Component
comp
,
String
name
,
String
icon
) {
this
.
comp
=
comp
;
this
.
name
=
name
;
if
(
icon
!=
null
) {
enabledIcon
=
mode
.
loadImageX
(
icon
+
"-enabled"
);
selectedIcon
=
mode
.
loadImageX
(
icon
+
"-selected"
);
if
(
selectedIcon
==
null
) {
selectedIcon
=
enabledIcon
;
// use this as the default
}
}
}
boolean
contains
(
int
x
) {
return
x
>=
left
&&
x
<=
right
;
}
boolean
isCurrent
() {
return
comp
.
isVisible
();
}
boolean
hasLeftNotch
() {
return
(
tabList
.
get
(
0
) ==
this
||
tabList
.
get
(
tabList
.
size
() -
1
) ==
this
);
}
boolean
hasRightNotch
() {
return
(
tabList
.
get
(
tabList
.
size
() -
1
) ==
this
||
tabList
.
get
(
tabList
.
size
() -
2
) ==
this
);
}
int
getTextLeft
() {
int
links
=
left
;
if
(
enabledIcon
!=
null
) {
links
+=
ICON_WIDTH
+
ICON_MARGIN
;
}
return
links
+ ((
right
-
links
) -
textWidth
) /
2
;
}
boolean
hasIcon
() {
return
enabledIcon
!=
null
;
}
void
draw
(
Graphics
g
) {
int
state
=
isCurrent
() ?
SELECTED
:
UNSELECTED
;
g
.
setColor
(
tabColor
[
state
]);
Graphics2D
g2
= (
Graphics2D
)
g
;
// g2.fill(Toolkit.createRoundRect(left, TAB_TOP, right, TAB_BOTTOM, 0, 0,
// isLast() ? CURVE_RADIUS : 0,
// hastLeftCurve() ? CURVE_RADIUS : 0));
g2
.
fill
(
Toolkit
.
createRoundRect
(
left
,
TAB_TOP
,
right
,
TAB_BOTTOM
,
hasLeftNotch
() ?
CURVE_RADIUS
:
0
,
hasRightNotch
() ?
CURVE_RADIUS
:
0
,
0
,
0
));
if
(
hasIcon
()) {
Image
icon
= (
isCurrent
() ||
notification
) ?
selectedIcon
:
enabledIcon
;
g
.
drawImage
(
icon
,
left
+
MARGIN
,
ICON_TOP
,
ICON_WIDTH
,
ICON_HEIGHT
,
null
);
}
int
textLeft
=
getTextLeft
();
if
(
notification
&&
state
==
UNSELECTED
) {
g
.
setColor
(
textColor
[
SELECTED
]);
}
else
{
g
.
setColor
(
textColor
[
state
]);
}
int
tabHeight
=
TAB_BOTTOM
-
TAB_TOP
;
int
baseline
=
TAB_TOP
+ (
tabHeight
+
fontAscent
) /
2
;
g
.
drawString
(
name
,
textLeft
,
baseline
);
}
}
}
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